Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
re-systems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:24:17 UTC · ↺ Refresh
MX Hostnames
- resystems-com0e.mail.protection.outlook.com
MX Priorities
- resystems-com0e.mail.protection.outlook.com: 0
A / AAAA Records
- 83.175.83.98 ↩ clnet-p09-098.ikbnet.co.at
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.re-systems.com hostmaster.re-systems.com 2024062611 86400 7200 3600000 172800
Primary NS (mname)
ns1.re-systems.com
Admin Email (rname)
hostmaster@re-systems.com
Serial
2024062611
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns2a.dodns.net
ns1a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:83.175.122.66 include:spf.strold.io -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- mistral-domain-verification=fec9cb10e72024b7b369e3f7f894a79739284fdc
- SPFv=spf1 include:spf.protection.outlook.com ip4:83.175.122.66 include:spf.strold.io -all
- google-site-verification=eHavpSHuqiD7s4kG5rVW9u52PPpY1PYgyKBNLsFLHTY
- ad5ubgj155hh7bf0qt0h278feb
- google-site-verification=s7-OZXMdEQoRlkGPN1fvBtGTI84jy_Int3p5cDZoHAE
- MS=ms89630172
Full email verification for re-systems.com
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